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Unix/Linux

Lesson 6

Author: Egoshkin Danila Igorevich

Plan

UX/UI (Stepanova N.I.)
TUI (CLI)
Bash scripts
GUI
Zenity

UX/UI (Stepanova N.I.)

Dnipro Companies:

https://alef-estate.com/ru/

TUI (CLI)

TUI - Text user interface
CLI - Command line interface

ASCII Art

⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄
⠄⠄⠄⠄⠄⠄⠄⠄⠄⢀⣠⡄⠄⠄⠄⠄⠄⠄⢠⣄⡀⠄⠄⠄⠄⠄⠄⠄⠄⠄
⠄⠄⠄⠄⠄⢀⣴⣾⣿⣿⣿⣿⣶⣶⣶⣶⣶⣶⣿⣿⣿⣿⣷⣦⡀⠄⠄⠄⠄⠄
⠄⠄⠄⠄⢀⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⡀⠄⠄⠄⠄
⠄⠄⠄⠄⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⠄⠄⠄⠄
⠄⠄⠄⣼⣿⣿⣿⣿⣿⡿⠿⠿⣿⣿⣿⣿⣿⣿⠿⠿⢿⣿⣿⣿⣿⣿⣧⠄⠄⠄
⠄⠄⢠⣿⣿⣿⣿⣿⡟⠄⠄⠄⠈⣿⣿⣿⣿⠁⠄⠄⠄⢹⣿⣿⣿⣿⣿⡄⠄⠄
⠄⠄⢸⣿⣿⣿⣿⣿⣇⠄⠄⠄⠄⣿⣿⣿⣿⠄⠄⠄⠄⣰⣿⣿⣿⣿⣿⡇⠄⠄
⠄⠄⢸⣿⣿⣿⣿⣿⣿⣶⣤⣴⣾⣿⣿⣿⣿⣷⣦⣤⣶⣿⣿⣿⣿⣿⣿⣷⠄⠄
⠄⠄⢸⣿⣿⣿⣿⣿⠿⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠿⣿⣿⣿⣿⣿⡟⠄⠄
⠄⠄⠄⠙⠻⢿⣿⣿⣷⡤⠈⠉⠉⠛⠛⠛⠛⠉⠉⠁⢤⣾⣿⣿⡿⠟⠉⠄⠄⠄
⠄⠄⠄⠄⠄⠄⠈⠉⠻⠁⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠈⠟⠋⠁⠄⠄⠄⠄⠄⠄
⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄

https://www.twitchquotes.com/copypastas/ascii-art
https://knightdanila.github.io/HuskyAsciiVision/
https://en.wikipedia.org/wiki/ASCII_art

ANSI art

TUI Now

Text-based game - Text Novels
Console in Portals
Console in Minecraft
Console in intellij

Text-based game - Text Novels Roadwarden

Movie: Big 1988 (Tom Hanks)

Win:Far and Lin:Midnight Commander

TUI

Bash scripts

Path?

#!/bin/bash
#!/bin/bin/bash
#!/usr/bin/env bash
#!/root/bash

Bash scripts

#!/bin/bash
# This is a comment
pwd
whoami | Win: hostname %username%

Reminder: chmod +x ./myscript

Bash scripts

#!/bin/bash
echo "$1 + $2 = $(($1 + $2))"

Bash scripts

T1='foo'
T2='bar'
if [[ $T1 == "$T2" ]]
then
echo 'условие выполняется'
else
echo 'условие не выполняется'
fi

Bash scripts

for i in "Номер "{1..10}
do
echo "$i"
done

Bash scripts

Cycle

for i in {1..10}
do
echo "Hi, there ""$i"
done

Bash scripts

declare -a arrAnimals
arrAnimals=(dog elephant horse cow fox koala turtle)
# Displaying the content of the array:
echo "${arrAnimals[@]}"
# Add a new element to the end of the arrAnimals array: "pig"
arrAnimals+=(pig)
# And again we show the contents of the array:
echo "${arrAnimals[@]}"

Zenity GUI

sudo apt-get install zenity

zenity --info --title “Check zenity”

chmod +x ./script.sh

Ex1 User Name

#!/bin/bash

name=$(zenity --forms --title="Create a user" --text="Enter your data" \
--add-entry="First Name" \
--add-entry="Last Name")

if [ $? = 0 ]; then

echo "User full name: $name."

zenity --info --title="User full name" --text="$name"

else

echo "User hasn't enetered a name and pressed cancel."

Ex2

zenity --question --text "Do you want to add new contact?";echo $?
zenity --forms --title="Add new Friend" --text="Enter information about your friend" \
--separator=" , " --add-entry="First name" --add-entry="Last name" \
--add-entry="Email" --add-calendar="Birthday"

Ex3

#/bin/bash
value1=$(zenity --entry --title "Entry of a value" --text "Enter a value") #вводимо якись текст

value2=$(zenity --color-selection --title "Select a color") #обираємо колір

(zenity --info --text "you entered $value1 value and chosen $value2 color") #створюємо вікно виводу значень

Ex4

num=$(zenity --forms --title="Add Friend" \
--text="Enter information about your friend." \
--add-entry="First Name" \
--add-entry="Family Name" \
--add-calendar="Birthday " --forms-date-format='%Y-%m-%d' )

fname=$(echo $num | awk 'BEGIN {FS="|"} {print $1}')
sname=$(echo $num | awk 'BEGIN {FS="|"} {print $2}')
bir=$(echo $num | awk 'BEGIN {FS="|"} {print $3}')

result=$(zenity --info \
--title="Welcome" \
--text="Your friend: $fname $sname ,date: $bir " )

Ex5 Сафиюлин Александр

https://github.com/Chupakabra0

#!/bin/bash
file_name=$(zenity --file-selection --title="Choose file (Choose your destiny)")
properties=$(stat $file_name)

result=$(zenity --info --title="File properties" --width=300 --height=150 \
--text="File properties:\n $properties" --ok-label="Ok")

Ex{} Евгений Булгаков

#!/bin/bash

function FORM() {
local form=$(zenity --forms --title="Заполните форму" \
--text="Сбор информации" \
--separator="," \
--ok-label=Отправить \
--cancel-label=Закрыть \
--add-entry="Имя:" \
--add-entry="Фамилия:" \
--add-entry="E-mail:" \
--add-password="Ваш пароль (минимум 5-nь символов)" \
--add-password="Повторите пароль" \
--add-list="Ваше любимое Домашнее животное" --list-values="Кот|Собака|Попугай|Рыбы" )

local name=$( echo $form | awk -F ',' '{print $1}' )
local lastname=$( echo $form | awk -F ',' '{print $2}' )
local email=$( echo $form | awk -F ',' '{print $3}' )
local password1=$( echo $form | awk -F ',' '{print $4}' )
local password2=$( echo $form | awk -F ',' '{print $5}' )
local pets=$( echo $form | awk -F ',' '{print $6}' )

if [[ ${#name} == 0 ]]; then
zenity --warning --text "Пожалуйста, заполните поле имени"
FORM
return
fi

if [[ ${#lastname} == 0 ]]; then
zenity --warning --text "Пожалуйста, заполните поле фамилии"
FORM
return
fi

if [[ ${#email} == 0 ]]; then
zenity --warning --text "Пожалуйста, заполните поле e-mail'а"
FORM
return
fi

if [[ $password1 == $password2 ]]; then

if [[ ${#password1} == 0 ]]; then
zenity --warning --text "Пожалуйста, заполните поле пароля"
FORM
return
fi

if [[ ${#password1} < 5 ]]; then
zenity --warning --text "В Вашем пароле менее 5-ти символов"
FORM
return
fi

else
zenity --warning --text "Ваши пароли не совпадают"
FORM
return
fi

percent=0;

for num in 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%; do

echo $percent
echo "# $num"
percent=$(($percent + 10));
sleep 1

done | zenity --progress --title='Загрузка...' --no-cancel --auto-close --percentage=0 --width=80 --height=50

zenity --info --width=350 --height=150 --text "$lastname $name, мы знаем о Вас всё.

Ваш email - $email

Ваш пароль - $password1

Ваше любимое дом. жив. - $pets"
}

FORM

Ex - Vlad Polustruyev

#/bin/bash

# Series or Parallel
# последовательно или параллельно
Condition1="Series" # последовательно
Condition2="Parallel" # параллельно

form=$(zenity --forms --title="Solve capacity" \
--text="Enter V and A of Accum" --separator="," \
--add-entry="Voltage: " \
--add-entry="Amper: " \
--add-entry="quantity: " \
--add-list="Path of Electical chain" \
--list-values="${Condition1}|${Condition2}")

V=$(echo $form | awk 'BEGIN {FS=","}{print $1}')
A=$(echo $form | awk 'BEGIN {FS=","}{print $2}')
Q=$(echo $form | awk 'BEGIN {FS=","}{print $3}')
P=$(echo $form | awk 'BEGIN {FS=","}{print $4}')

echo $P, $V, $A, $Q

if [[ $P == $Condition1 ]]; then
echo ${Condition1}
inf=$(echo $V*$Q | bc)
result=$(zenity --info --title="Information about accum" --text="Volt = $inf, Amper = $A, Quant = $Q, Path = $P")
fi

if [[ $P == $Condition2 ]]; then
echo ${Condition2}
inf=$(echo $A*$Q | bc)
result=$(zenity --info --title="Information about accum" --text="Volt = $V, Amper = $inf, Quant = $Q, Path = $P")
fi

Ex - Yevgeniy Levchenko

#!/usr/bin/env bash

while : ; do
ageCalc=$(zenity --forms --title="Age Calculator" \
--add-entry="First Name" \
--add-entry="Last Name" \
--add-calendar="Birth Date: ")

if [[ "$?" != "0" ]]
then
break
fi

birthDay="$(echo "$birthDate"| cut -d '.' -f 1)"
birthMonth="$(echo "$birthDate"| cut -d '.' -f 2)"
birthYear="$(echo "$birthDate"| cut -d '.' -f 3)"

birthDay=$((10#$birthDay))
birthMonth=$((10#$birthMonth))

currentDate=$(date +%d.%m.%Y)
currentDay="$(echo "$currentDate"| cut -d '.' -f 1)"
currentMonth="$(echo "$currentDate"| cut -d '.' -f 2)"
currentYear="$(echo "$currentDate"| cut -d '.' -f 3)"

currentDay=$((10#$currentDay))
currentMonth=$((10#$currentMonth))

month=(31 28 31 30 31 30 31 31 30 31 30 31)

if [ $birthDay -gt $currentDay ]
then
currentDay=$((10#$currentDay + month[$birthMonth - 1]))
currentMonth=$((currentMonth - 1))
fi

if [ $birthMonth -gt $currentMonth ]
then
currentYear=$(($currentYear - 1))
currentMonth=$(($currentMonth + 12))
fi

calculatedDays=$((currentDay - birthDay))
calculatedMonths=$((currentMonth - birthMonth))
calculatedYears=$((currentYear - birthYear))

name="$firstName $lastName"
if [ -z $firstName ] && [ -z $lastName ]
then
name="stranger"
fi

if [ 0 -gt $calculatedYears ]
then
zenity --info --text="Hi, ${name}. You have not born yet!" --width=500
else
zenity --info --text="Hi, ${name}. Your present age is ${calculatedYears:-0} years, ${calculatedMonths:-0} months, ${calculatedDays:-0} days" --width=500
fi

done

Links:

https://ryanstutorials.net/bash-scripting-tutorial/bash-input.php
https://linuxhint.com/prompt-for-input-bash/

Thanks for your attention :)